Power plants – Pressure fluid source and motor – Pulsator
Patent
1985-12-17
1987-12-01
Hershkovitz, Abraham
Power plants
Pressure fluid source and motor
Pulsator
60327, 92 137, B60T 1128
Patent
active
047095512
ABSTRACT:
A pressure cylinder is disclosed having at least one master cylinder piston, provided with a compensating bore which is in connection with opposite sides of the piston and which is closable by a valve piston movable relative to the master cylinder piston. The valve piston is fastened at the end of an extensible central tension element which projects into the pressure chamber of the pressure cylinder and secures through two spring retainers a piston return spring at the master cylinder piston. In order to reduce the idle travel of the master cylinder, the distance between a stop and an abutment face on a flange of the cylinder is first determined and then added to a predetermined functional distance desired to be maintained between the abutment face and a pressure surface on an actuating piston, so that an assembled dimension is determined. The extensible element is adjusted during assembly to position the pressure surface spaced from the stop equal to the assembled dimension.
REFERENCES:
patent: 4270355 (1981-06-01), Green
patent: 4407121 (1983-10-01), Crumb
patent: 4492082 (1985-01-01), Belart
patent: 4550567 (1985-11-01), Schaefer
patent: 4582365 (1986-04-01), Belart
Hartmann Willi
Saalbach Kurt
Alfred Teves GmbH
Hershkovitz Abraham
Raden James B.
Seitter Robert P.
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